osmocom-sdr

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Question osmosdr driver R820T
by Szilárd Jakab 04 Mar '13

04 Mar '13

Dear developers! I would like to ask the driver for the R820T osdmocom rtlsdr tuner use of this IFGAIN conrtol was, and if his shirt, the GNU Radio source how to use it (I think python command) I'm a hardwer working towards, and it would be important that we have a value ifgain radio) thank you Jakab Szilárd HUNGARY HA1003SWL

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New item for the "Known Apps" section of OSMOCOM rtl-sdr
by Thomas Frisch 04 Mar '13

04 Mar '13

Hello osmocom-sdr-Team, i spent some time to get familiar with GNU-Radio and RTL-SDR stuff and have implemented an decoder for the FS20 wireless home automation protocol. Maybe this is something for the "Known Apps" section in the OSMOCOM rtl-sdr wiki. Since i am a hardware/FPGA/RF guy, my programming skills are not the best, not at all in python, so i hope the code is not too scary. Name: rtl_sdr_FS20_decoder Type: gnuradio app Author: Thomas Frisch URL: https://github.com/eT0M/rtl_sdr_FS20_decoder.git My compliments to the whole OSMOCOM Team, you are doing a great job. regards Thomas

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Please add LEADTEK VID 0413:6f0f
by Alan Beard 02 Mar '13

02 Mar '13

Hi guys, Please add the LEADTEK "WinFast DTV DONGLE MINI D". EAN code 710918 292751 ARC here in Australia is selling these: Add to line 234 of "librtlsdr.c" { 0x0413, 0x6f0f, "Leadtek RTL2832U + FC0012" }, And to "rtl_eeprom.c" line 179 " LEADTEK," And to "rtl_eeprom.c" line 190 case LEADTEK: fprintf(stderr, "Leadtek default (as without EEPROM)\n"); conf->vendor_id = 0x0413; conf->product_id = 0x6f0f; strcpy(conf->manufacturer, "LEADTEK"); strcpy(conf->product, "RTL2832U + FC0012 DVB-T"); strcpy(conf->serial, "0"); conf->have_serial = 1; conf->enable_ir = 0; conf->remote_wakeup = 1; break; Now to try it. Thanks guys. Alan VK2ZIW --------------------------------------------------------------------------- Alan Beard Unix Support Technician from 1984 to today 70 Wedmore Rd. Sun Solaris, AIX, HP/UX, Linux, SCO OpenServer 5.0.X Emu Heights N.S.W. 2750 Routers, terminal servers, printers, terminals etc.. +61 2 47353013 (h) Support Programming, shell scripting, "C", assembler 0414 353013 (mobile) After uni, electronics tech. Man's greatest waste of time: Worshipping the wrong God. I cannot walk past what Jesus of Nazereth has done.

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RTL uvd mode
by Anton Komarov 28 Feb '13

28 Feb '13

Hi, guys. In Russia aviation has similar to ADSB communication protocol - UVD-M at 740 MHz. Is it possible to extend rtl_adsb utility to decode this protocol too? Detailed explanation of protocol can be found here - http://rtl1090.web99.de/homepage/index.php?way=1&site=READOUT&DERNAME=RTL10…

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[ANNOUNCE] OsmoDevCon 2013-04-04 till 2013-04-07, Berlin
by Harald Welte 27 Feb '13

27 Feb '13

Dear fellow Osmcoom developers, it is my pleasure to finally announce the date + venue of OsmoDevCon 2013: Date: April 04 through April 07, 2013 Place: IN-Berlin, Lehrter Str. 53, Berlin Like last year, this is an event for developers of the various Osmocom proejects. Reservation and confirmation of reservation is required. The event is free of charge. The Room is made available by IN-Berlin e.V., an Internet related non-profit organization. Lunch catering will be sponsored (so far by sysmocom GmbH, but if any other sponsors come up, we are happy to share the cost). So all you have to cover is your own travel + accomodation costs, as well as breakfast and dinner. If you are an active developer and cannot afford travel/accomodation, please let me know and I'll see if we can do something about it. If you would like to attend, please send a message to laforge(a)gnumonks.org applying for registration of the event. The registration deadline is March 5, i.e. one week from now. There is no detailed schedule of talks yet. I will start a separate discussion suggesting / collecting topics in the next couple of days. More information is (and will be made) available at http://openbsc.osmocom.org/trac/wiki/OsmoDevCon2013 Further discussion regarding the event should be directed at the osmocom-event-orga(a)lists.osmocom.org mailing list, to avoid cross-posting over the various project-specific lists. Best regards and happy hacking, Harald -- - Harald Welte <laforge(a)gnumonks.org> http://laforge.gnumonks.org/ ============================================================================ "Privacy in residential applications is a desirable marketing option." (ETSI EN 300 175-7 Ch. A6)

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an issue with rtl
by Mikhail Popov 26 Feb '13

26 Feb '13

Dear RTL developers, I was not able find a way how file the issue with RTL base USB dongle . It behaves in the same way on Linux and Windows The Problem: The constant observation of the spike on the tuned frequency in the ranges after 160MHz or so. Is it known issue or a HW defect? If it is in the software, please let me know any possible fix. The screen snapshot and USB information are attached. $ rtl_eeprom Found 1 device(s): 0: ezcap USB 2.0 DVB-T/DAB/FM dongle Using device 0: ezcap USB 2.0 DVB-T/DAB/FM dongle Found Fitipower FC0013 tuner Current configuration: __________________________________________ Vendor ID: 0x0bda Product ID: 0x2838 Manufacturer: Realtek Product: RTL2838UHIDIR Serial number: 00000001 Serial number enabled: no IR endpoint enabled: yes Remote wakeup enabled: no __________________________________________ 73 Mikhail

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rtl_fm scanning
by Ben Moore 24 Feb '13

24 Feb '13

I am having a problem with using multiple frequencies with rtl_fm. Single frequencies work just fine. For example: rtl_fm -f 462.5625M -f 462.5725M -N -s 12k -r 12k -g 48 -l 50 | play -r 12k -e signed-integer -b 16 -t raw -c 1 -V1 - Will get to: Sampling at 1008000 Hz. Output at 12000 Hz. Exact sample rate is: 1008000.009613 Hz Tuner gain set to 48.00 dB. Then freeze. If I set the squelch low enough, it will continuously monitor the first channel. If I have a transmitter on before starting the command, it will monitor that. But when the transmitter turns off, rtl_fm hangs. I looked at the code but couldn't fix it. Maybe it's some reset command that's not being done between frequencies. If I force "data_ready" to unlock, it scans, but there's no data. Although, rtl_tcp works just fine when connecting with SDR# and changing frequencies. This is on a Raspberry Pi btw, latest rtl-sdr source code. Sorry if this has already been discussed somewhere, I could not find it. - Ben

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rtlsdr-based spectrum analyzer on a Beaglebone
by Alexandru Csete 19 Feb '13

19 Feb '13

Greetings, It is my pleasure to share with you a small, fun project I made few weeks ago: an rtlsdr-based spectrum analyzer running on a Beaglebone with an LCD3 touch screen. Video demo: http://www.youtube.com/watch?v=jzmFXreuFR4 Howto guide: http://www.oz9aec.net/index.php/beaglebone/480-rtlizer I also took the opportunity to start collecting bitbake recipes to create sdr oriented linux images for embedded devices. It is available here: https://github.com/csete/nanosdr I don't intend to create full blown PC-like desktops, instead I want to have fast, minimalistic linux images that can run a single GUI app without any display or window management. Think of it as a radio or an instrument that happens to run linux :) Alex

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rtl sdr with macbook os x v10.8.2
by paim 18 Feb '13

18 Feb '13

hello i am loking for some info before ordering the Realtek RTL2832U & Elonics E4000 is this dongle can work with macbook ?/ i am new to this group ,but new to SDR . thank you elan

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Still problem with "cb transfer status 1, cancelling" -> segmentation fault, libusb
by Markus Gonser 18 Feb '13

18 Feb '13

Hello, I am new to this mailing list, but that does not mean that I have been following SDR activities here at osmocom and especially gnuradio actively. I am not a linux professional, but "intermediate beginner". I currently have a problem running my Hama Nano DVB-T Dongle which I cannot solve and therefore need to turn to you with the following problem: I hava an Intel Pentium 977 machine running Ubuntu 12.04LTS in the 64bit version. I compiled and installed gnuradio using the script from Marcus Leech (http://www.sbrac.org/files/build-gnuradio) I have an Hama Nano DVB-T Dongle which contains an RTL2832U Chip combined with the E4000 frontend. When I try to access the Dongle via rtlsdr (either via sample programs in GRC or simply via rtl_test -s) I get cb transfer status: 1, canceling... Library error 0, exiting... Speicherzugriffsfehler (Speicherabzug geschrieben) (engl.: "segmentation fault") I found two threads regarding this problem in this mailinglist: 1) http://lists.osmocom.org/pipermail/osmocom-sdr/2013-January/000443.html 2) http://lists.gnumonks.org/pipermail/osmocom-sdr/2012-August/000201.html With respect to the former (1) I checked my version of libusb-1.0-0-dev which is 2:1.0.9~rc3-2ubuntu1 With respect to the latter (2) (and older post) I checked in my source of the rtlsdr library if the proposed change is included and it is. So I do not have any clue how and where to proceed further. I'd be happy to give you any more information you need and try out patches. If you have any ideas or could point me to the right direction, I'd be very happy about Thanks upfront for your consideration and best regards, Markus P.S.: The dongle worked on this machine before, but I do not remember if I had the 32bit Ubuntu version running and which versions of gnuradio, etc. were installed.

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